单元评估检测(七).pdf

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1、世纪金榜圆您梦想-1-温馨提示：此套题为 Word版，请按住 Ctrl,滑动鼠标滚轴，调节合适的观看比例，答案解析附后。单元评估检测（七）（第七章）（120 分钟 160 分）一、填空题(本大题共 14 小题，每小题 5 分，共 70 分.把答案填在题中横线上)1如图，正方体 ABCD-A1B1C1D1中，M、N、P、Q、R、S分别是 AB、BC、C1D1、C1C、A1B1、B1B的中点，则下列判断:(1)PQ 与 RS共面；(2)MN 与 RS共面；(3)PQ 与 MN共面.则正确结论的序号是_.2.在ABC中，AB=2,BC=1.5,ABC=120,若使ABC绕直线 BC旋转一周，则所形成

2、的几何体的体积是 _.3过正方体 ABCD A1B1C1D1的 8 个顶点中任意两点的直线，与平面A1BC1垂直的直线条数是 _.世纪金榜圆您梦想-2-4已知三个球的半径R1,R2,R3满足 R1+2R2=3R3，则它们的表面积S1,S2,S3满足的等量关系是 _.5.(2012 无锡模拟)已知平面,，,直线 l,m 满足：,=m,=l,lm,那么m;l;.由上述条件可推出的结论有_(请将你认为正确的结论的序号都填上).6如图，下列四个正方体图形中，A,B 为正方体的两个顶点，M,N,P 分别为其所在棱的中点，能得出AB 平面 MNP 的图形的序号是 _.7.如图，平行四边形 ABCD 中，A

3、B BD，沿 BD将ABD折起，使面 ABD 面 BCD，连结 AC，则在四面体 ABCD 的四个面中，互相垂直的平面的对数为_.文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3

4、ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档

5、编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S

6、10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A

7、3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3

8、文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z

9、3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3世纪金榜圆您梦想-3-8如图，正三角形ABC的中线 AF与中位线 DE相交于 G，已知 AED是AED绕 DE旋转过程中的一个图形，下

10、列命题中，错误的是_.动点 A在平面 ABC上的射影在线段 AF上恒有平面 AGF 平面 BCED 三棱锥 AFED的体积有最大值异面直线 AE与 BD不可能垂直9一个球与一个正三棱柱的三个侧面和两个底面均相切，已知这个球的体积是323，那么这个三棱柱的体积是_.10已知正三棱柱 ABC-A1B1C1的各条棱长都相等，M是侧棱 CC1的中点，则异面直线 AB1和 BM所成的角的大小是 _.11.(2012 苏州模拟)某种卷筒卫生纸绕在盘上，空盘时直径为40 mm，满盘时直径为 120 mm,已知卫生纸的厚度为0.1 mm,则满盘时约是 _m(取 3.14，精确到 1 m).12.如图为棱长是

11、1 的正方体的表面展开图，在原正方体中，给出下列三个命题：文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4

12、Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y

13、8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1

14、W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7

15、F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T

16、7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7

17、K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3世纪金榜圆您梦想-4-点 M到 AB的距离为22；三棱锥 C-DNE 的体积是16；AB与 EF所成的角是2.其中正确命题的个数是 _.13.三棱锥 SABC中，SBA SCA 90，ABC是斜边 AB a

18、 的等腰直角三角形，给出以下结论：异面直线 SB与 AC所成的角为 90；直线 SB 平面 ABC；平面 SBC 平面 SAC；点 C到平面 SAB的距离是12a.其中正确结论的序号是 _.文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3

19、文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z

20、3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y

21、5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8

22、K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W

23、1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F

24、4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3世纪金榜圆您梦想-5-14.(2012 南京模拟)如图，在正三棱柱ABC

25、A1B1C1中，D为棱 AA1的中点，若截面BC1D是面积为 6 的直角三角形，则此三棱柱的体积为_二、解答题(本大题共 6 小题，共 90 分.解答时应写出必要的文字说明、证明过程或演算步骤)15.(14 分)(2012 扬州模拟)四棱柱 ABCD-A1B1C1D1中，AA1垂直于平面 ABCD，ABAD，DC AD，AA1=2，AB=AD=1，DC=2.(1)求出该四棱柱的表面积；(2)设 E是 DC上一点，试确定 E的位置，使 D1E平面 A1BD,并说明理由.16(14 分)如图，已知四棱锥P-ABCD 的底面为等腰梯形，ABCD,AC BD,垂足为 H，PH是四棱锥的高.(1)证明：

26、平面 PAC 平面 PBD；文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K

27、3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1

28、Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4

29、Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y

30、8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1

31、W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7

32、F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3世纪金榜圆您梦想-6-(2)若 AB=6,APB=ADB=60,求四棱锥 P-ABCD 的体积.17(14 分)(2011 新课标全国卷)如图，四棱锥 P-ABCD 中，底面 ABCD 为平行四边形，DAB=60，AB=2AD，PD 底

33、面 ABCD(1)证明：PA BD;(2)设 PD=AD=1，求棱锥 D-PBC的高18(16 分)如图，已知在三棱柱ABC A1B1C1中，AA1平面 ABC，AC BC，M、N、P、Q分别是 AA1、BB1、AB、B1C1的中点(1)求证：平面 PCC1平面 MNQ；(2)求证：PC1平面 MNQ.文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4

34、Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y

35、8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1

36、W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7

37、F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T

38、7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7

39、K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8

40、Q7F4Y5A3 ZV3H5T7Y8K3世纪金榜圆您梦想-7-19.(16 分)(2012 南通模拟)如图，已知 ABCD 是直角梯形，ABC=90,ADBC,AD=2,AB=BC=1,PA平面ABCD.(1)证明：PC CD；(2)若 E是 PA的中点，证明：BE 平面 PCD；(3)若 PA=3，求三棱锥 B-PCD 的体积.20.(16 分)如图，在组合体中，ABCD-A1B1C1D1是一个长方体，P-ABCD 是一个四棱锥，且 AB=2，P平面 CC1D1D,PD=PC=AD=2.(1)求证：PD 平面 PBC；(2)若 AA1=a,当 a 为何值时，PC 平面 AB1D;(3)求点

41、C到平面 PAB的距离.文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文

42、档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3

43、S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5

44、A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K

45、3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1

46、Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4

47、Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3世纪金榜圆您梦想-8-答案解析1【解析】可证 PQ与 RS平行，从而共面，NQ与 PM平行，故 PQ与 MN 也共面，故(1)、(3)正确，MN 与 RS是异面直线，故(2)错.答案：(1)、(3)2.【解题指南】ABC绕直线 BC旋转一周

48、后所得几何体为一圆锥，但其内部缺少一部分.用大圆锥的体积减去小圆锥的体积即为所求几何体的体积.【解析】旋转后得到的几何体是一个大圆锥中挖去一个小圆锥.故所求体积为V=V大圆锥-V小圆锥=213r11.51.32答案：323【解析】A1C1D1B1，A1C1DD1，D1B1DD1D1，A1C1平面 DD1B1，A1C1DB1.同理可证 BC1DB1，因此 DB1平面 A1BC1.而由顶点组成的其他直线中没有与DB1平行的直线，故其他直线与平面A1BC1均不垂直，因此符合要求的直线只有1 条答案：1 4【解析】21111S4 RS2R，同理：2233S2RS2R，故312123123123SSSR

49、RRR2R3RS2 S3 S.222，由，得答案：123S2 S3 S5.【解析】若,=m,=l,lm,由于不一定成立，故m、错误.根据面面垂直的性质我们文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10

50、HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 ZV3H5T7Y8K3文档编码:CX7K1W1Z3S10 HI8Q7F4Y5A3 Z